GenJar

I can't even get hello world to work. Can anybody shed any light on my problem?

<pre> <b>steveo@steveo</b>:~/hello$ ls -lah which ant lrwxrwxrwx 1 root root 20 2009-07-25 08:30 /usr/bin/ant -> ../share/ant/bin/ant steveo@steveo:~/hello$ ls -lah /usr/share/ant/lib/GenJar.jar -rw-r--r-- 1 root root 32K 2009-10-26 13:24 /usr/share/ant/lib/GenJar.jar <b>steveo@steveo</b>:~/hello$ cat Hello.java public class Hello { public static void main(String[] args){ System.out.println("Hello World"); } } <b>steveo@steveo</b>:~/hello$ javac Hello.java <b>steveo@steveo</b>:~/hello$ java Hello Hello World <b>steveo@steveo</b>:~/hello$ ls build.xml Hello.class Hello.java <b>steveo@steveo</b>:~/hello$ cat build.xml &lt;?xml version="1.0"?> &lt;project name="HelloWorld"> &lt;taskdef resource="genjar.properties"/> &lt;genjar jarfile="hello.jar"> &lt;class name="Hello"/> &lt;/genjar> &lt;/project> <b>steveo@steveo</b>:~/hello$ ant Buildfile: build.xml [genjar] Generating jar: /home/steveo/hello/hello.jar

BUILD FAILED /home/steveo/hello/build.xml:4: Unable to resolve: Hello.class

Total time: 0 seconds </pre>

Preview indicated that would be formatted better. Let me try again.

<pre> steveo@steveo:~/hello$ ls -lah which ant lrwxrwxrwx 1 root root 20 2009-07-25 08:30 /usr/bin/ant -> ../share/ant/bin/ant steveo@steveo:~/hello$ ls -lah /usr/share/ant/lib/GenJar.jar -rw-r--r-- 1 root root 32K 2009-10-26 13:24 /usr/share/ant/lib/GenJar.jar steveo@steveo:~/hello$ cat Hello.java public class Hello { public static void main(String[] args){ System.out.println("Hello World"); } } steveo@steveo:~/hello$ javac Hello.java steveo@steveo:~/hello$ java Hello Hello World steveo@steveo:~/hello$ ls build.xml Hello.class Hello.java steveo@steveo:~/hello$ cat build.xml <?xml version="1.0"?> <project name="HelloWorld"> <taskdef resource="genjar.properties"/> <genjar jarfile="hello.jar"> <class name="Hello"/> </genjar> </project> steveo@steveo:~/hello$ ant Buildfile: build.xml [genjar] Generating jar: /home/steveo/hello/hello.jar

BUILD FAILED /home/steveo/hello/build.xml:4: Unable to resolve: Hello.class

Total time: 0 seconds </pre>

steveo@steveo:~/hello$ ls -lah which ant
lrwxrwxrwx 1 root root 20 2009-07-25 08:30 /usr/bin/ant -> ../share/ant/bin/ant
steveo@steveo:~/hello$ ls -lah /usr/share/ant/lib/GenJar.jar 
-rw-r--r-- 1 root root 32K 2009-10-26 13:24 /usr/share/ant/lib/GenJar.jar
steveo@steveo:~/hello$ cat Hello.java
public class Hello {
    public static void main(String[] args){
        System.out.println("Hello World");
    }
}
steveo@steveo:~/hello$ javac Hello.java
steveo@steveo:~/hello$ java Hello
Hello World
steveo@steveo:~/hello$ ls
build.xml  Hello.class  Hello.java
steveo@steveo:~/hello$ cat build.xml 
<?xml version="1.0"?>
<project name="HelloWorld">
  <taskdef resource="genjar.properties"/>
  <genjar jarfile="hello.jar">
    <class name="Hello"/>
  </genjar>
</project>
steveo@steveo:~/hello$ ant
Buildfile: build.xml
   [genjar] Generating jar: /home/steveo/hello/hello.jar

BUILD FAILED
/home/steveo/hello/build.xml:4: Unable to resolve: Hello.class

Total time: 0 seconds